System for delivering synchronized audio content to viewers of movies
CA 2350247 A1 · Owner: Xybernaut Corporation · Inventors: Newman, Edward G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is basically a headphone speaker system for use at motion picture theaters for hearing impaired persons and persons who don't speak the language that the original movie dialog is being shown in. The system is comprised, of a plurality of headphone speaker devices 105 a control module 108, a , central, router/processor 103 and a transmission protocol 104. The device 105 is worn over, the ears of viewers like typical headphones and using the control module 108 allows, them to selectively amplify the volume of the textual dialog and to designate a, language to listen to the dialog in. It will permit hearing impaired persons who have, difficulty in discriminating dialog over …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.